22104600 has 192 divisors, whose sum is σ = 82732800. Its totient is φ = 4769280.

The previous prime is 22104559. The next prime is 22104611. The reversal of 22104600 is 640122.

It is a super-2 number, since 2×22104600² = 977226682320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22104600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79662 + ... + 79938.

It is an arithmetic number, because the mean of its divisors is an integer number (430900).

Almost surely, 2^22104600 is an apocalyptic number.

22104600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22104600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41366400).

22104600 is an abundant number, since it is smaller than the sum of its proper divisors (60628200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22104600 is a wasteful number, since it uses less digits than its factorization.

22104600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22104600 is about 4701.5529349354. The cubic root of 22104600 is about 280.6473118967.

Adding to 22104600 its reverse (640122), we get a palindrome (22744722).

The spelling of 22104600 in words is "twenty-two million, one hundred four thousand, six hundred".